Stan wrote:
>> Greg Ercolano wrote:
>>> ..I think you'll see their x/y positions continue moving
>>> around such that they cross over each other..
>> You can probably see the behavior more clearly
>> if you change these lines in your program:
>>
>>
>> BEFORE: Fl_Double_Window win(400, 200);
>> AFTER: Fl_Double_Window win(400, 800);
>>
>> BEFORE: MyBox* bx2 = new MyBox(bx1->x() + bx1->w(), bx1->y(), 150, 20);
>> AFTER: MyBox* bx2 = new MyBox(bx1->x() + bx1->w(), bx1->y()+10, 150,
>> 20);
>
>
> Ah, yes. My brain may be more addled that I thought.
> Thanks much Greg, that helps a lot.
... and now you _can_ see the difference if you change your resize
method and use init_sizes() :-)
void resize(int x, int y, int w, int h)
{ Fl_Box::resize(x, y, std::max(w, 100), h);
parent()->init_sizes(); // add init_sizes() here !
}
If you don't use init_sizes, then the resizing can be reverted as long
as you like, because it is always calculated from the initial widget
positions.
If you add init_sizes(), then the modified positions and sizes become
the starting points for the following resizing, and so on ...
Albrecht
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